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1312424424 = 23336419479
BaseRepresentation
bin100111000111010…
…0000000111101000
310101110120001212000
41032032200013220
510141440040144
6334121451000
744344265163
oct11616400750
93343501760
101312424424
11613913993
12307640a60
1317bb981cc
14c6436ada
157a346769
hex4e3a01e8

1312424424 has 64 divisors (see below), whose sum is σ = 3651696000. Its totient is φ = 436746240.

The previous prime is 1312424423. The next prime is 1312424437. The reversal of 1312424424 is 4244242131.

It is a super-4 number, since 4×13124244244 (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1312424423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133717 + ... + 143195.

It is an arithmetic number, because the mean of its divisors is an integer number (57057750).

Almost surely, 21312424424 is an apocalyptic number.

It is an amenable number.

1312424424 is an abundant number, since it is smaller than the sum of its proper divisors (2339271576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312424424 is a wasteful number, since it uses less digits than its factorization.

1312424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135 (or 10125 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1312424424 is about 36227.3988025638. The cubic root of 1312424424 is about 1094.8587695503.

Adding to 1312424424 its reverse (4244242131), we get a palindrome (5556666555).

The spelling of 1312424424 in words is "one billion, three hundred twelve million, four hundred twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 641 1282 1923 2564 3846 5128 5769 7692 9479 11538 15384 17307 18958 23076 28437 34614 37916 46152 56874 69228 75832 85311 113748 138456 170622 227496 255933 341244 511866 682488 1023732 2047464 6076039 12152078 18228117 24304156 36456234 48608312 54684351 72912468 109368702 145824936 164053053 218737404 328106106 437474808 656212212 1312424424